Toxic Virus

Virus Name: Toxic Aliases: V Status: Viron Discovery: March, 1993 Symptoms: .COM file corruption; programs fail to function properly Origin: England Eff Length: 171 Bytes Overwriting Type Code: ONCK - Overwriting Non-Resident .COM Infector Detection Method: F-Prot, Sweep, AVTK, ViruScan, IBMAV, NAV, NAVDX, VAlert, PCScan, ChAV, Sweep/N, Innoc, AVTK/N, NProt, IBMAV/N, NShld, NAV/N, Innoc Removal Instructions: Delete infected files General Comments: The Toxic virus was submitted in March, 1993, and is originally from England. Toxic is a non-resident, direct action overwriting virus which infect .COM programs, including COMMAND.COM. Infected programs are permanently corrupted, and will not function properly. When a program infected with the Toxic virus is executed, the Toxic virus will infect one .COM program located in the current directory. Infected programs will have the first 171 bytes of the host program overwritten with the Toxic viral code. The file's date and time in the DOS disk directory listing will not be altered. The following text string can be found within the viral code in all Toxic infected programs: "*.COM [Toxic] By Toxic Crusader -=ARCV=-"